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#ifndef SV_H
#define SV_H
#include <stddef.h>
struct string_view {
char *buf;
size_t len;
};
struct string_view sv_create(const char *buf, const size_t len);
int sv_init(struct string_view *sv, const char *buf);
void sv_free(struct string_view *sv);
struct string_view sv_copy(struct string_view *sv);
int sv_equal(struct string_view *a, struct string_view *b);
struct string_view sv_concat(struct string_view *a, struct string_view *b);
int sv_concat_cstr(struct string_view *sv, const char *cstr);
#define SV(x) (struct string_view){(x), sizeof(x) - 1}
#endif
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